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Helping households with energy costs this winter

The Budget should include a downpayment on the Prime Minister’s 10-year vision for the energy system that builds a new lever to reduce bills and inflation.

In just one week, the projected increase in the January price cap almost doubled from 9% to 16%, an increase of £130 (Cornwall Insight, 2026a; Cornwall Insight, 2026b). This will result in a £270 rise against the October cap. When compared on a like for like basis, this puts energy bills above their effective cap in 2022/23 (Avia-Novoa and Chapman, 2026). A threshold has been reached and further support is needed. The public believe so too, with 66% saying the Government hasn’t gone far enough to tackle energy bills (More in Common, 2026).

Falling incomes and rising bills risk exposing the Prime Minister’s 10-year plan for transformation in the energy system to increasingly dissenting voices (Massey-Chase et al., 2026). Averting this, and securing a just transition, requires Government to bring forward more of the future benefits of cheap, clean power into the current parliament through fiscal policy.

The transition is crucial and already making a difference. Renewables are displacing gas as the electricity price setter, with gas setting the marginal cost 60% of the time, down from around 90% a few years ago (DESNZ, 2026a). However, renewables alone cannot deliver more affordable energy this winter. And despite growing momentum, the same is true of next winter and the remainder of the decade (SSE, 2026; NAO, 2026). The Government must build on the breathing space announced this summer and intervene directly if it wants to take money off everyone’s energy bills.

Even if policy were to reach all households in receipt of means-tested benefits, disability benefits, and the State Pension, over a fifth (22%) of low-income households would be ineligible for support (Figure 2). This latter group also requires urgent support. For the bottom income decile, 75% of eligible households will experience fuel stress come January, which is not substantially higher than the 65% of households that are ineligible (Figure 3).1 For the second decile it is 49% for both the eligible and ineligible groups, and even by the fifth decile, 10% of ineligible households are expected to be heavily burdened by energy bills.

The heavy burden of energy bills felt across the income spectrum is fuelling disillusionment with mainstream politics, while the prospect of support restricted to only those on the lowest income is often met with dissatisfaction and scepticism (Moore et al., 2026). In the days before the temporary VAT removal, just 42% of people felt a £50 reduction in energy bills would help them cope better with the cost of living (More in Common, 2026).

This rises to strong majorities of 63%, 78%, and 84% for reductions of £150, £250, and £350 respectively. To reach further up the income spectrum a universal and progressive approach should be adopted. This would address the depth of the problem and provide an opportunity to strengthen faith in the social contract.

The universal offer should build on the other interventions this year that will have mechanically lowered inflation in 2026 Q4 by around 0.3 points (Figure 4).2 This doesn’t fully offset the impacts of higher energy bills on prices, but it does evidence the real impact policy can have on inflation. Without that support, the average income would be around £140 lower in real-terms.

With multiple hikes priced in by markets (Bank of England, 2026), further measures to mechanically lower inflation by reducing energy prices would also ease pressure on the Bank of England to raise interest rates, reducing borrowing costs for the transition. Removing what remains of the Renewable Obligation as well as the cost of the Feed-in Tariff and Warm Homes Discount from electricity bills is worth £60 per year to the average household. In bringing down electricity prices, inflation would be reduced by around 0.1 points in January.

However, once removed, ministers will have little scope to intervene on inflation in the future. Policy this winter should not repeat past mistakes of a kneejerk reaction that fails to develop public infrastructure. Instead, the Government should lay the foundations for an enduring new policy lever.

In building long-term policy apparatus with the Affordable Energy Guarantee, a £6.3 billion package (in 2026/27 prices) would reverse 43% of the projected decline in living standards for low-income households this parliament (Figure 6). If funded by increased rates on investment taxes, the reversal still rests at 40%. Households in quintiles 2 and 3 would be buffered from a more adverse economic scenario, one that would bring income growth over the parliament to zero and turn negative respectively.

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This briefing is part of the cost of living topic.

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